I’ve edited your post to add triple backticks at the beginning and g and end of your code, and your compiler output, so that they display correctly.
In future, please add these yourself or your code will be deleted.
Triple backticks look like this:
```

I’ve also reclassified your post from “issues and errors” to “need help with my project”.
Issues and errors is used for bug reporting, this is not a bug.

Your compiler output doesn’t match your code. The compiler errors are saying that you have multiple declarations of variables and functions.

My advice would be to create a new sketch in the IDE, delete the few lines of code that are created automatically, paste the code from the sketch builder and edit that code to add-in your SSID, Wi-Fi password and Blynk Auth code.

I’ve edited your post to add triple backticks at the beginning and g and end of your code, and your compiler output, so that they display correctly.
In future, please add these yourself or your code will be deleted.
Triple backticks look like this:
```
I’ve also reclassified your post from “issues and errors” to “need help with my project”.
Issues and errors is used for bug reporting, this is not a bug.
Your compiler output doesn’t match your code. The compiler errors are saying that you h…

Blynk is a platform with iOS and Android apps to control
Arduino, Raspberry Pi and the likes over the Internet.
You can easily build graphic interfaces for all your
projects by simply dragging and dropping widgets.

Blynk library is licensed under MIT license
This example code is in public domain.

You’ll need:

Blynk App (download from AppStore or Google Play)

ESP8266 board

Decide how to connect to Blynk
(USB, Ethernet, Wi-Fi, Bluetooth, …)

There is a bunch of great example sketches included to show you how to get
started. Think of them as LEGO bricks and combine them as you wish.
For example, take the Ethernet Shield sketch and combine it with the
Servo example, or choose a USB sketch and add a code from SendData
example.
*************************************************************/

/* Comment this out to disable prints and save space */#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>#include <BlynkSimpleEsp8266.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = “4HXSGBbFaSP8trWNq2SWmZFKPJieUTKv”;

I’ve made your private message to me public. Please keep discussions of this type public so that all forum members can contribute to a solution.

Please edit your post above (the one that contains the code and the serial output) using the pencil icon at the bottom of the post, and add triple backticks at the beginning and end of both the code and the serial monitor output, so that they display correctly.
Triple backticks look like this (you can copy and past them if necessary):
```